A tiny piece of bread, either one that falls from bread as it is cut or eaten, or one made deliberately by crumbling bread.
A single link in a chain indicating the hierarchical location of a directory, web page or similar, used as a navigation aid.
One in a series of clues leading to a person or place.
To add navigational breadcrumbs to (a web page or user interface).
To use clues or enticements to lead someone in the desired direction.
To sprinkle breadcrumbs on to food, normally before cooking.
A tiny grain, a small particle.
A small structure in a cell.
a small mark in the photosphere of the sun caused by convection currents. See also Wikipedia:Granule (solar physics).
A particle from 2 to 4 mm in diameter, following the Wentworth scale